:root {
  --ink: #172026;
  --muted: #60707a;
  --line: #dde6e8;
  --paper: #fbf8f1;
  --white: #ffffff;
  --brand: #ffcd38;
  --brand-deep: #f08a24;
  --accent: #0f766e;
  --night: #20333b;
  --shadow: 0 18px 44px rgba(23, 32, 38, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "Noto Sans KR", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
  padding-bottom: 76px;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px;
  background: rgba(251, 248, 241, 0.94);
  border-bottom: 1px solid rgba(221, 230, 232, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--brand);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
}

.header-call {
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--accent);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  padding: 10px 12px;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 30px 18px 34px;
  overflow: hidden;
}

.eyebrow,
.section-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(38px, 12vw, 72px);
  line-height: 1.03;
}

h2 {
  margin-bottom: 18px;
  font-size: 27px;
  line-height: 1.15;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lead {
  max-width: 620px;
  color: #40515a;
  font-size: 17px;
}

.hero-actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
}

.btn.primary {
  background: var(--brand);
  color: #191300;
  box-shadow: 0 10px 24px rgba(240, 138, 36, 0.28);
}

.btn.secondary {
  border: 1px solid #c6d2d5;
  background: var(--white);
}

.btn.full {
  width: 100%;
}

.quick-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.quick-proof li {
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: #0d5e58;
  font-size: 13px;
  font-weight: 800;
  padding: 7px 10px;
}

.sign-preview {
  min-height: 280px;
  padding: 20px 0 0;
}

.shop-front {
  position: relative;
  width: min(100%, 430px);
  height: 278px;
  margin: 0 auto;
  border: 8px solid var(--night);
  border-bottom-width: 18px;
  border-radius: 8px 8px 0 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.16) 1px, transparent 1px) 0 0 / 34px 100%,
    linear-gradient(180deg, #3c575f 0%, #263a42 100%);
  box-shadow: var(--shadow);
}

.awning {
  position: absolute;
  top: 76px;
  left: 16px;
  right: 16px;
  height: 18px;
  background: repeating-linear-gradient(90deg, var(--brand) 0 28px, var(--brand-deep) 28px 56px);
  border-radius: 0 0 8px 8px;
}

.main-sign {
  position: absolute;
  top: 22px;
  left: 18px;
  right: 18px;
  display: grid;
  min-height: 58px;
  place-items: center;
  border-radius: 8px;
  background: #111b20;
  color: var(--brand);
  box-shadow: 0 0 24px rgba(255, 205, 56, 0.5);
}

.main-sign span {
  font-size: clamp(16px, 5vw, 24px);
  font-weight: 900;
}

.window,
.door {
  position: absolute;
  bottom: 0;
  background: linear-gradient(135deg, #bceaf0, #eefcff 46%, #7bc2cd);
}

.window {
  left: 22px;
  display: grid;
  width: 42%;
  height: 132px;
  place-items: center;
}

.window span {
  border-radius: 8px;
  background: var(--accent);
  color: var(--white);
  font-weight: 900;
  padding: 7px 10px;
}

.door {
  right: 26px;
  width: 28%;
  height: 150px;
}

.light-line {
  position: absolute;
  right: 7%;
  bottom: 66px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.strip div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 16px 8px;
  background: var(--white);
  text-align: center;
}

.strip strong {
  font-size: 22px;
}

.strip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.section,
.contact {
  padding: 48px 18px 0;
}

.service-grid,
.advantage-list,
.steps,
.faq-list {
  display: grid;
  gap: 12px;
}

.service-card,
.advantage-list div,
.steps li {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 18px;
}

.icon {
  display: inline-grid;
  min-width: 42px;
  min-height: 32px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.service-card p,
.advantage-list p,
.steps p,
.contact p,
.faq-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.advantage-list b,
.steps b {
  display: block;
  margin-bottom: 4px;
}

.steps {
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  gap: 14px;
}

.steps span {
  flex: 0 0 auto;
  color: var(--brand-deep);
  font-weight: 900;
}

.faq-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  padding: 14px 16px;
  text-align: left;
}

.faq-item span {
  font-weight: 900;
}

.faq-item b {
  flex: 0 0 auto;
  font-size: 24px;
}

.faq-panel {
  display: none;
  margin: -4px 0 6px;
  padding: 0 16px 16px;
}

.faq-panel.open {
  display: block;
}

.contact {
  margin: 48px 18px 24px;
  padding: 28px 18px;
  border-radius: 8px;
  background: var(--night);
  color: var(--white);
}

.contact .section-label,
.contact p {
  color: #bee9e5;
}

.contact-form {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.contact-form label {
  display: grid;
  gap: 6px;
}

.contact-form span {
  font-size: 13px;
  font-weight: 900;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  padding: 13px 12px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.58);
}

.form-note {
  min-height: 20px;
  font-size: 13px;
}

.sticky-cta {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(23, 32, 38, 0.14);
}

.sticky-cta a {
  display: grid;
  min-height: 50px;
  place-items: center;
  border-radius: 8px;
  font-weight: 900;
}

.sticky-cta a:first-child {
  background: var(--accent);
  color: var(--white);
}

.sticky-cta a:last-child {
  background: var(--brand);
  color: #191300;
}

@media (min-width: 720px) {
  body {
    padding-bottom: 0;
  }

  .site-header {
    padding-inline: 40px;
  }

  .hero {
    grid-template-columns: 1.04fr 0.96fr;
    align-items: center;
    min-height: 680px;
    padding: 60px 40px;
  }

  .hero-actions {
    grid-template-columns: 210px 210px;
  }

  .strip,
  .section,
  .contact {
    max-width: 1080px;
    margin-inline: auto;
  }

  .section {
    padding-inline: 40px;
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .advantage-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact {
    margin-top: 60px;
    margin-bottom: 50px;
    padding: 42px;
  }

  .contact-form {
    grid-template-columns: 1fr 1fr;
  }

  .contact-form label:nth-child(3),
  .contact-form button,
  .form-note {
    grid-column: 1 / -1;
  }

  .sticky-cta {
    right: 24px;
    bottom: 24px;
    left: auto;
    width: 330px;
    border: 1px solid var(--line);
    border-radius: 8px;
  }
}